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Finding the Fourth Proportional to 359,807.06, 496,553.10 and 198,661.52

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Solution

The fourth proportional to 359,807.06, 496,553.10 and 198,661.52 is: 274,163.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,807.06 : 496,553.10 = 198,661.52 : x
  2. Step 2: Convert to fraction form
    359,807.06/496,553.10 = 198,661.52/x
  3. Step 3: Cross multiply
    359,807.06x = 496,553.10 × 198,661.52
  4. Step 4: Simplify right side
    359,807.06x = 98,645,993,606.71
  5. Step 5: Solve for x
    x = 98,645,993,606.71/359,807.06
  6. Step 6: Final answer
    x = 274,163.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.